Notes-If the barcode is not recognized, payment is possible by entering the number at the bottom of the barcode.-Gift certificates received as corporate giveaways and promotions cannot be exchanged for cash or refunded. -If a redemption point is specified, you can use the voucher only at that redemption point. -If the available date is specified, you can use the gift certificate only on that date. -If the conditions of use are specified, vouchers cannot be used if the conditions are not met. ○ Refund Information-Gift certificates received as corporate prizes and promotions cannot be exchanged for cash or refunded. -If a refund is requested within the initial validity period, the purchaser can receive a refund of 100% of the payment amount. -When requesting a refund after the expiration of the initial expiration date, the recipient can receive a refund for 90% of the payment amount.-You must use more than 60% of coupons exceeding 10,000 won and 80% of coupons under 10,000 won to apply for a refund. -Cash refunds cannot be made at CU stores. Please contact the customer service center to request a refund. ○ Balance check-Check the balance to the convenience store store worker (can be checked on the product payment receipt printed)